I wouldn't worry about it as it's peanuts.
However, be careful of having "gift" put on foreign packages to beat the system. If you buy something expensive and they open it you may find a depressing situation occurs. Just because a package is marked "gift" doesn't mean it's tax or duty exempt even if it is an actual gift. As the recipient, the ultimate responsibility for what is ultimately fraud, is yours.
And, as HMRC seems to do wtf it wants FUN!* can ensue! \o/
*actual amount of FUN can vary.